package com.ruoyi.system.service;

import com.alibaba.fastjson2.JSONObject;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.system.domain.WxOcrIdCardResults;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import cn.binarywang.wx.miniapp.api.WxMaService;
import me.chanjar.weixin.common.error.WxErrorException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import java.io.*;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.nio.charset.StandardCharsets;
import java.util.HashMap;
import java.util.Map;

@Service
public class WxOcrService {

    @Value("${wechat.appid}")
    String appid;
    @Value("${wechat.secret}")
    String appsecret;

    @Autowired
    private ByWxQrcodeService wxQrcodeService;


    private final WxMaService mainService;

    public WxOcrService(WxMaService mainService) {
        this.mainService = mainService;
    }


    /**
     * 身份证件信息获取
     *
     * @param url
     * @return
     */
    public Object ocrIdCard(String url) {
        JSONObject json = new JSONObject();
        //发送请求
        JSONObject result = null;
        try {
            result = uploadCard(url);//idCard(url);
        } catch (Exception e) {
            e.printStackTrace();
        }
        System.out.println(result + "-----");

        if (StringUtils.isEmpty(result)) {
            json.put("status","0");
            json.put("msg","图片无法识别！");
            return json;
        }

        //type=Both, name=某某某, id=11010277771100888X, addr=省级行政区名称-区县级行政区名称具体住宿地址, gender=男, nationality=汉, validDate=
        /*Map<Object, Object> rtnResult = new HashMap<Object, Object>();
        if (result.getType().toUpperCase().equals("BOTH") || result.getType().toUpperCase().equals("FRONT")) { //人像面  官方给出FRONT为人像面，测试身份图片返回both
            rtnResult.put("name", result.getName());
            rtnResult.put("id", result.getId());
            rtnResult.put("gender", result.getGender());
            rtnResult.put("nationality", result.getNationality());
            rtnResult.put("addr", result.getAddr());
        } else {
            rtnResult.put("name", "null");
            rtnResult.put("id", "null");
        }*/

        json.put("status","1");
        json.put("msg",result);
        return json;
    }




    private WxOcrIdCardResults idCard(String imgUrl) throws WxErrorException {
        String token = wxQrcodeService.getAccess_token(appid, appsecret);



        try {
            imgUrl = URLEncoder.encode(imgUrl, StandardCharsets.UTF_8.name());
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        }
        System.out.println(imgUrl);

        String accUrl = "https://api.weixin.qq.com/cv/ocr/idcard?img_url="+imgUrl+"&access_token="+token;
        String result = mainService.post(accUrl, (String)null);
        System.out.println(result);
        return WxOcrIdCardResults.fromJson(result);


//        return null;
    }



    // 根据imgurl识别身份证
    public JSONObject uploadCard(String imgUrl) throws Exception {
        String token = wxQrcodeService.getAccess_token(appid, appsecret);
//        System.out.println(token+"--getToken()");
        imgUrl = URLEncoder.encode(imgUrl, StandardCharsets.UTF_8.name());
        String requestUrl = "https://api.weixin.qq.com/cv/ocr/idcard";
        String params = "type=Front&img_url=" + imgUrl + "&access_token=" + token;
        String url = requestUrl + "?" + params;
        String data = doPost(url, null);
        JSONObject json = JSONObject.parseObject(data);
        String errcode = json.getString("errcode");
        if (!"0".equals(errcode)) {
            // throw new AppletsException("-1", "身份识别失败，请检查图片");
        }
        return json;
    }


    /**
     * 向指定 URL 发送POST方法的请求
     *
     * @param url   发送请求的 URL
     * @param param 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。
     * @return 所代表远程资源的响应结果
     */
    public String doPost(String url, String param) {
        PrintWriter out = null;
        BufferedReader in = null;
        String result = "";
        try {
            URL realUrl = new URL(url);
            // 打开和URL之间的连接
            URLConnection conn = realUrl.openConnection();
            // 设置通用的请求属性
            conn.setRequestProperty("accept", "*/*");
            conn.setRequestProperty("connection", "Keep-Alive");
            conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            conn.setRequestProperty("Content-Type", "multipart/form-data;");
            // 发送POST请求必须设置如下两行
            conn.setDoOutput(true);
            conn.setDoInput(true);
            // 获取URLConnection对象对应的输出流
            out = new PrintWriter(conn.getOutputStream());
            // 发送请求参数
            out.print(param);
            // flush输出流的缓冲
            out.flush();
            // 定义BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), "UTF-8"));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送 POST 请求出现异常！" + e);
            e.printStackTrace();
        }
        //使用finally块来关闭输出流、输入流
        finally {
            try {
                if (out != null) {
                    out.close();
                }
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
        return result;
    }
}
